* [csky-linux:sg2042-master-qspinlock-64ilp32_v4 30/70] arch/riscv/kernel/setup.c:333:2: error: call to undeclared function 'pv_qspinlock_init'; ISO C99 and later do not support implicit function declarations
@ 2023-08-03 11:13 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-08-03 11:13 UTC (permalink / raw)
To: Guo Ren; +Cc: llvm, oe-kbuild-all
Hi Guo,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://github.com/c-sky/csky-linux sg2042-master-qspinlock-64ilp32_v4
head: ee021e57ffe3195b6a3ac5fcb2d4353375d1f261
commit: 649c597d937299900198d6b54c954dc93d6b91b0 [30/70] RISC-V: paravirt: pvqspinlock: Add kconfig entry
config: riscv-randconfig-r021-20230731 (https://download.01.org/0day-ci/archive/20230803/202308031910.EVcRQack-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230803/202308031910.EVcRQack-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308031910.EVcRQack-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/riscv/kernel/setup.c:333:2: error: call to undeclared function 'pv_qspinlock_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
333 | pv_qspinlock_init();
| ^
1 error generated.
--
arch/riscv/kernel/paravirt.c:109:12: warning: no previous prototype for function 'pv_time_init' [-Wmissing-prototypes]
109 | int __init pv_time_init(void)
| ^
arch/riscv/kernel/paravirt.c:109:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
109 | int __init pv_time_init(void)
| ^
| static
In file included from arch/riscv/kernel/paravirt.c:135:
arch/riscv/include/asm/qspinlock_paravirt.h:5:37: warning: declaration of 'struct qspinlock' will not be visible outside of this function [-Wvisibility]
5 | void __pv_queued_spin_unlock(struct qspinlock *lock);
| ^
arch/riscv/kernel/paravirt.c:137:6: warning: no previous prototype for function 'pv_kick' [-Wmissing-prototypes]
137 | void pv_kick(int cpu)
| ^
arch/riscv/kernel/paravirt.c:137:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
137 | void pv_kick(int cpu)
| ^
| static
arch/riscv/kernel/paravirt.c:144:6: warning: no previous prototype for function 'pv_wait' [-Wmissing-prototypes]
144 | void pv_wait(u8 *ptr, u8 val)
| ^
arch/riscv/kernel/paravirt.c:144:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
144 | void pv_wait(u8 *ptr, u8 val)
| ^
| static
arch/riscv/kernel/paravirt.c:160:46: warning: declaration of 'struct qspinlock' will not be visible outside of this function [-Wvisibility]
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:196:34: note: expanded from macro 'smp_store_release'
196 | compiletime_assert_atomic_type(*p); \
| ^
include/linux/compiler_types.h:400:35: note: expanded from macro 'compiletime_assert_atomic_type'
400 | compiletime_assert(__native_word(t), \
| ^
include/linux/compiler_types.h:364:10: note: expanded from macro '__native_word'
364 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:196:34: note: expanded from macro 'smp_store_release'
196 | compiletime_assert_atomic_type(*p); \
| ^
include/linux/compiler_types.h:400:35: note: expanded from macro 'compiletime_assert_atomic_type'
400 | compiletime_assert(__native_word(t), \
| ^
include/linux/compiler_types.h:364:39: note: expanded from macro '__native_word'
364 | (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
| ^
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:196:34: note: expanded from macro 'smp_store_release'
196 | compiletime_assert_atomic_type(*p); \
| ^
include/linux/compiler_types.h:400:35: note: expanded from macro 'compiletime_assert_atomic_type'
400 | compiletime_assert(__native_word(t), \
| ^
include/linux/compiler_types.h:365:10: note: expanded from macro '__native_word'
365 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:196:34: note: expanded from macro 'smp_store_release'
196 | compiletime_assert_atomic_type(*p); \
| ^
include/linux/compiler_types.h:400:35: note: expanded from macro 'compiletime_assert_atomic_type'
400 | compiletime_assert(__native_word(t), \
| ^
include/linux/compiler_types.h:365:38: note: expanded from macro '__native_word'
365 | sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long))
| ^
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:62:33: note: expanded from macro 'WRITE_ONCE'
62 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:62:33: note: expanded from macro 'WRITE_ONCE'
62 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:62:33: note: expanded from macro 'WRITE_ONCE'
62 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:62:33: note: expanded from macro 'WRITE_ONCE'
62 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:35: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:62:33: note: expanded from macro 'WRITE_ONCE'
62 | compiletime_assert_rwonce_type(x); \
| ^
include/asm-generic/rwonce.h:36:48: note: expanded from macro 'compiletime_assert_rwonce_type'
36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
| ^
include/linux/compiler_types.h:397:22: note: expanded from macro 'compiletime_assert'
397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~
include/linux/compiler_types.h:385:23: note: expanded from macro '_compiletime_assert'
385 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~
include/linux/compiler_types.h:377:9: note: expanded from macro '__compiletime_assert'
377 | if (!(condition)) \
| ^~~~~~~~~
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:63:15: note: expanded from macro 'WRITE_ONCE'
63 | __WRITE_ONCE(x, val); \
| ^
arch/riscv/include/asm/rwonce.h:12:20: note: expanded from macro '__WRITE_ONCE'
12 | *(volatile typeof(x) *)&(x) = (val); \
| ^
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:162:25: error: incomplete definition of type 'struct qspinlock'
162 | smp_store_release(&lock->locked, 0);
| ~~~~^
include/asm-generic/barrier.h:198:14: note: expanded from macro 'smp_store_release'
198 | WRITE_ONCE(*p, v); \
| ^
include/asm-generic/rwonce.h:63:15: note: expanded from macro 'WRITE_ONCE'
63 | __WRITE_ONCE(x, val); \
| ^
arch/riscv/include/asm/rwonce.h:12:27: note: expanded from macro '__WRITE_ONCE'
12 | *(volatile typeof(x) *)&(x) = (val); \
| ^
arch/riscv/kernel/paravirt.c:160:46: note: forward declaration of 'struct qspinlock'
160 | static void native_queued_spin_unlock(struct qspinlock *lock)
| ^
>> arch/riscv/kernel/paravirt.c:165:50: error: use of undeclared identifier 'native_queued_spin_lock_slowpath'; did you mean '__SCK__pv_queued_spin_lock_slowpath'?
165 | DEFINE_STATIC_CALL(pv_queued_spin_lock_slowpath, native_queued_spin_lock_slowpath);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| __SCK__pv_queued_spin_lock_slowpath
include/linux/static_call.h:298:29: note: expanded from macro 'DEFINE_STATIC_CALL'
298 | __DEFINE_STATIC_CALL(name, _func, _func)
| ^
include/linux/static_call.h:292:28: note: expanded from macro '__DEFINE_STATIC_CALL'
292 | DECLARE_STATIC_CALL(name, _func); \
| ^
include/linux/static_call_types.h:39:16: note: expanded from macro 'DECLARE_STATIC_CALL'
39 | extern typeof(func) STATIC_CALL_TRAMP(name);
| ^
arch/riscv/kernel/paravirt.c:165:1: note: '__SCK__pv_queued_spin_lock_slowpath' declared here
165 | DEFINE_STATIC_CALL(pv_queued_spin_lock_slowpath, native_queued_spin_lock_slowpath);
| ^
include/linux/static_call.h:298:2: note: expanded from macro 'DEFINE_STATIC_CALL'
298 | __DEFINE_STATIC_CALL(name, _func, _func)
| ^
include/linux/static_call.h:292:2: note: expanded from macro '__DEFINE_STATIC_CALL'
292 | DECLARE_STATIC_CALL(name, _func); \
| ^
include/linux/static_call_types.h:38:32: note: expanded from macro 'DECLARE_STATIC_CALL'
38 | extern struct static_call_key STATIC_CALL_KEY(name); \
| ^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:75:22: note: expanded from macro '__PASTE'
75 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:74:23: note: expanded from macro '___PASTE'
74 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:28:1: note: expanded from here
28 | __SCK__pv_queued_spin_lock_slowpath
| ^
arch/riscv/kernel/paravirt.c:165:50: error: use of undeclared identifier 'native_queued_spin_lock_slowpath'
165 | DEFINE_STATIC_CALL(pv_queued_spin_lock_slowpath, native_queued_spin_lock_slowpath);
| ^
>> arch/riscv/kernel/paravirt.c:195:2: error: call to undeclared function '__pv_init_lock_hash'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
195 | __pv_init_lock_hash();
| ^
>> arch/riscv/kernel/paravirt.c:197:51: error: use of undeclared identifier '__pv_queued_spin_lock_slowpath'
197 | static_call_update(pv_queued_spin_lock_slowpath, __pv_queued_spin_lock_slowpath);
| ^
>> arch/riscv/kernel/paravirt.c:198:2: error: incompatible function pointer types initializing 'typeof (&__SCT__pv_queued_spin_unlock)' (aka 'void (*)(struct qspinlock *)') with an expression of type 'void (struct qspinlock *)' [-Wincompatible-function-pointer-types]
198 | static_call_update(pv_queued_spin_unlock, __pv_queued_spin_unlock);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:154:35: note: expanded from macro 'static_call_update'
154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \
| ^ ~~~~~~
arch/riscv/kernel/paravirt.c:178:13: warning: no previous prototype for function 'pv_qspinlock_init' [-Wmissing-prototypes]
178 | void __init pv_qspinlock_init(void)
| ^
arch/riscv/kernel/paravirt.c:178:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
178 | void __init pv_qspinlock_init(void)
| ^
| static
6 warnings and 16 errors generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for PARAVIRT_SPINLOCKS
Depends on [n]: PARAVIRT [=y] && SMP [=n]
Selected by [y]:
- PARAVIRT [=y] && RISCV_SBI [=y]
vim +/pv_qspinlock_init +333 arch/riscv/kernel/setup.c
f1e58583b9c7ce Atish Patra 2020-03-17 329
5b3283ec604d33 Guo Ren 2023-07-27 330 void __init arch_cpu_finalize_init(void)
5b3283ec604d33 Guo Ren 2023-07-27 331 {
349f37f3d4ea50 Guo Ren 2023-07-31 332 #ifdef CONFIG_PARAVIRT_SPINLOCKS
349f37f3d4ea50 Guo Ren 2023-07-31 @333 pv_qspinlock_init();
349f37f3d4ea50 Guo Ren 2023-07-31 334 #endif
5b3283ec604d33 Guo Ren 2023-07-27 335 virt_spin_lock_init();
5b3283ec604d33 Guo Ren 2023-07-27 336 }
5b3283ec604d33 Guo Ren 2023-07-27 337
:::::: The code at line 333 was first introduced by commit
:::::: 349f37f3d4ea507ce140d44a7fbee4c56994c95b RISC-V: paravirt: pvqspinlock: Add paravirt qspinlock skeleton
:::::: TO: Guo Ren <guoren@linux.alibaba.com>
:::::: CC: Guo Ren <guoren@linux.alibaba.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-08-03 11:13 [csky-linux:sg2042-master-qspinlock-64ilp32_v4 30/70] arch/riscv/kernel/setup.c:333:2: error: call to undeclared function 'pv_qspinlock_init'; ISO C99 and later do not support implicit function declarations kernel test robot
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